Multiple choice

Which of these is a good measure of photosynthesis?

  1. Oxygen production

  2. Carbon dioxide use

  3. Water use

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

During photosynthesis, plants produce oxygen gas as a byproduct. Measuring the volume or rate of oxygen bubbles released by an aquatic plant is a direct, reliable, and easily observable method to determine the rate of photosynthesis.

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